---
title: "Expert Witness Medico-Legal"
description: "― Expert witness medico-legal consulting Expert Witness and Medico-Legal Consulting. Dr. Eric Grin, DDS, MS, APC · Diplomate, American Board of Orofacial Pain Dr. Paul Grin is a board-certified orofacial pain specialist who serves as an expert witness and forensic consultant in California legal matters. He provides expert reports and testimony for judges, attorneys, law […]"
url: "https://southbaytmj.com/about/expert-witness-medico-legal/"
date_modified: "2026-06-30T16:22:15-07:00"
---

## ― Expert witness medico-legal consulting

# Expert Witness and Medico-Legal Consulting .

## Dr. Eric Grin, DDS, MS, APC · Diplomate, American Board of Orofacial Pain

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Dr. Paul Grin is a board-certified orofacial pain specialist who serves as an expert witness and forensic consultant in California legal matters. He provides expert reports and testimony for judges, attorneys, law firms, insurance companies, and government agencies in federal and state court trials and arbitrations. His clinical experience and academic credentials make him a trusted resource in cases involving TMJ disorders, orofacial pain, and related conditions. Learn more [about Dr. Grin](/about/dr-paul-grin/) and our [practice](/about/).

[Schedule Consultation](https://southbaytmj.com/book-appointment/)

[Call (310) 933-3077](tel:+13109333077)

![Expert witness medico-legal consulting page for South Bay TMJ case review services](https://southbaytmj.com/wp-content/uploads/2026/05/UCLA-for-the-Pain-Mini-residency.jpg)

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## ― Areas of Expertise

## Areas of medico-legal expertise .

Dr. Grin provides expert consulting in cases involving:

- Temporomandibular joint disorders (TMJ/TMD)
- Orofacial pain diagnosis and treatment
- Jaw and facial injuries from accidents, assaults, or falls
- Dental malpractice involving TMJ or orofacial pain
- Chronic pain assessment and treatment evaluation

- Restorative dentistry and oral implants
- Forensic dentistry
- Sleep-disordered breathing diagnosis and treatment
- Nerve damage from dental procedures

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## ― Services

## Services provided ?

01

**Chart review and case analysis.** Thorough review of medical and dental records to identify diagnostic findings and treatment appropriateness.

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02

**Independent medical examination.** Comprehensive clinical evaluation of the plaintiff or claimant.

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03

**Expert reports.** Detailed written opinions on diagnosis, causation, treatment, and prognosis.

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04

**Deposition testimony.** Expert testimony during depositions.

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05

**Trial testimony.** Expert witness testimony in court, for both plaintiff and defense cases.

## ― Qualifications

## Expert qualifications .

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Diplomate, American Board of Orofacial Pain

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Fellow, American Academy of Orofacial Pain

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Fellow, American Headache Society

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Master of Public Health (MPH)

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Assistant Professor, UCLA School of Dentistry

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Over 32 years of clinical experience in orofacial pain management

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Active researcher in TMJ disorders and treatment outcomes

Dr. Grin’s combination of board certification, academic credentials, extensive clinical experience, and research involvement provides a strong foundation for expert testimony in both the medical and legal communities.

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## ― Contact

## Contact for a medico-legal consultation .

To discuss a case or request Dr. Grin’s expert services, please contact our office.

Phone:

[(310) 933-3077](tel:+13109333077)

**Email:**

[info@southbaytmj.com](mailto:info@southbaytmj.com)

**Practice:**

South Bay TMJ, Sleep, Headache & Orofacial Pain Institute

**Location:**

Torrance, CA